JPS51134612A - Wide-band erasing system of magnetic recording and reproducing disc - Google Patents

Wide-band erasing system of magnetic recording and reproducing disc

Info

Publication number
JPS51134612A
JPS51134612A JP5860875A JP5860875A JPS51134612A JP S51134612 A JPS51134612 A JP S51134612A JP 5860875 A JP5860875 A JP 5860875A JP 5860875 A JP5860875 A JP 5860875A JP S51134612 A JPS51134612 A JP S51134612A
Authority
JP
Japan
Prior art keywords
wide
magnetic recording
erasing system
reproducing disc
band erasing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5860875A
Other languages
Japanese (ja)
Inventor
Tatsuo Kayano
Takayuki Ikegami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Denshi KK
Original Assignee
Hitachi Denshi KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP5860875A priority Critical patent/JPS51134612A/en
Publication of JPS51134612A publication Critical patent/JPS51134612A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks

Landscapes

  • Digital Magnetic Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

PURPOSE:Protection of the recorded information under reproduction from the residual magnetism of the previous recording due to deviated tracing of the head.
JP5860875A 1975-05-19 1975-05-19 Wide-band erasing system of magnetic recording and reproducing disc Pending JPS51134612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5860875A JPS51134612A (en) 1975-05-19 1975-05-19 Wide-band erasing system of magnetic recording and reproducing disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5860875A JPS51134612A (en) 1975-05-19 1975-05-19 Wide-band erasing system of magnetic recording and reproducing disc

Publications (1)

Publication Number Publication Date
JPS51134612A true JPS51134612A (en) 1976-11-22

Family

ID=13089230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5860875A Pending JPS51134612A (en) 1975-05-19 1975-05-19 Wide-band erasing system of magnetic recording and reproducing disc

Country Status (1)

Country Link
JP (1) JPS51134612A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616918A (en) * 1979-07-18 1981-02-18 Matsushita Electric Ind Co Ltd Erazing method of information track

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616918A (en) * 1979-07-18 1981-02-18 Matsushita Electric Ind Co Ltd Erazing method of information track

Similar Documents

Publication Publication Date Title
GB1539174A (en) Magnetoresistive head assembly for reading magnetically recorded information
JPS5285806A (en) Data recording magnetic disk holder
IT7967918A0 (en) APPARATUS FOR RECORDING AND OR REPRODUCING SIGNALS ON MAGNETIC TAPE
JPS5210112A (en) Method of recording and reproducing information on disk recording carrier
JPS5264919A (en) Disk record reproducer
GB1546207A (en) Magnetic transducer for information recording and/or playback and method of manufacture thereof
IT7967917A0 (en) APPARATUS FOR RECORDING AND OR REPRODUCING SIGNALS ON MAGNETIC TAPE
GB1547447A (en) Magnetic tape recording and/or reproducing apparatus
GB1548664A (en) Magnetic tape recording and reproducing system
HK20680A (en) Magnetic recording/reproducing apparatus
CS222213B2 (en) Instrument for magnetic recording and/or reproduction
IT8019896A0 (en) EQUIPMENT FOR RECORDING AND/OR REPRODUCING SIGNALS ON MAGNETIC TAPE.
FR1103477A (en) Magnetic recording, reproducing and erasing heads
BG24822A3 (en) Device for adjusting recording and reading head of magnetic disc storage
JPS5237004A (en) Stylus device for reproducing video record disk
JPS51134612A (en) Wide-band erasing system of magnetic recording and reproducing disc
JPS5374411A (en) Magnetic record*reproduction head
JPS5226820A (en) Information recording media
GB1540233A (en) Apparatus for recording and reproducing information
JPS5233505A (en) Magnetic tape recording reproduction device
JPS523412A (en) Reprinting method of magnetic record
JPS51142302A (en) Magnetic recording and reproducing device
JPS5421315A (en) Magnetic recorder
JPS5216208A (en) Information recorder
JPS51129211A (en) Magnetic head for magnetic record reproducing